APA引文
ebrary, Inc, Lewis, D. S., & Slater, W. (2007). World events 2006. ProQuest.
Chicago Style (17th ed.) Citation
ebrary, Inc, D. S. Lewis, and Wendy Slater. World Events 2006. Bethesda, Md.: ProQuest, 2007.
MLA引文
ebrary, Inc, et al. World Events 2006. ProQuest, 2007.
警告：這些引文格式不一定是100％准確.